{layout name="layout/layout" /}
<div class="layui-tab layui-tab-brief" lay-filter="docDemoTabBrief">
    <ul class="layui-tab-title">
        <li class="layui-this">banner编辑</li>
    </ul>
</div>
<form class="layui-form1" action="{:Url('Slide/edit')}" method="post" class="slideForm">
    <div class="layui-form-item">
        <label class="layui-form-label">标题</label>
        <div class="layui-input-block">
            <input class="layui-input" type="text" name="title" value="{$item.title??''}" />
        </div>
    </div>
    <div class="layui-form-item layui-form-text">
        <label class="layui-form-label">幻灯片</label>
        <div class="layui-input-block">
            <a href="javascript:;" style="background-color: #009688;color: #fff;width: 65px;height: 30px;display: block; font-size: 16px;line-height: 30px;
            margin-bottom: 5px;padding-left: 5px;padding-right: 5px;;">上传图片
            <input type="file" name="file" id="doc" multiple="multiple" style="width: 70px;margin-bottom: 10px;opacity: 0;left: -2px;top: 0px;position: absolute;border: 1px solid red;" onchange="javascript:setImagePreviews();"
                accept="image/*"/>
            </a>
            <div id="dd" style=" width:990px;">
                <img src="{$item.src}">
            </div>
        </div>
    </div>
    <div class="layui-form-item">
        <label class="layui-form-label">URL</label>
        <div class="layui-input-block">
            <input class="layui-input"  type="text" name="url" value="{$item.url}" />
        </div>
    </div>
    <div class="layui-form-item">
        <label class="layui-form-label">简介</label>
        <div class="layui-input-block">
            <input class="layui-input" type="text" name="description" value="{$item.description}" />
        </div>
    </div>
    <div class="layui-form-item">
        <div class="layui-input-block">
            <button type="submit" class="layui-btn">保存</button>
            <input type="hidden" name="id" value="{$item.id}" />
        </div>
    </div>
</form>


<script type="text/javascript">

    //下面用于多图片上传预览功能

    function setImagePreviews(avalue) {

        var docObj = document.getElementById("doc");

        var dd = document.getElementById("dd");

        dd.innerHTML = "";

        var fileList = docObj.files;

        for (var i = 0; i < fileList.length; i++) {



            dd.innerHTML += "<div style='float:left' > <img id='img" + i + "'  /> </div>";

            var imgObjPreview = document.getElementById("img" + i);

            if (docObj.files && docObj.files[i]) {

                //火狐下，直接设img属性

                imgObjPreview.style.display = 'block';

                imgObjPreview.style.width = '750px';

                imgObjPreview.style.height = '257px';

                //imgObjPreview.src = docObj.files[0].getAsDataURL();

                //火狐7以上版本不能用上面的getAsDataURL()方式获取，需要一下方式

                imgObjPreview.src = window.URL.createObjectURL(docObj.files[i]);

            }

            else {

                //IE下，使用滤镜

                docObj.select();

                var imgSrc = document.selection.createRange().text;

                alert(imgSrc)

                var localImagId = document.getElementById("img" + i);

                //必须设置初始大小

                localImagId.style.width = "150px";

                localImagId.style.height = "180px";

                //图片异常的捕捉，防止用户修改后缀来伪造图片

                try {

                    localImagId.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(sizingMethod=scale)";

                    localImagId.filters.item("DXImageTransform.Microsoft.AlphaImageLoader").src = imgSrc;

                }

                catch (e) {

                    alert("您上传的图片格式不正确，请重新选择!");

                    return false;

                }

                imgObjPreview.style.display = 'none';

                document.selection.empty();

            }

        }



        return true;

    }



</script>